Critique of Pure Reason, A567/B595 – A642/B670.
Gardner, S, Kant and the Critiqu

Critique of Pure Reason, A567/B595 – A642/B670.
Gardner, S, Kant and the Critique of Pure Reason, (Oxford: Routledge, 1999), pp.237-243; 265-267
Callanan, J. (2017). The Ideal of Reason. In J. O’Shea (Ed.), Kant’s Critique of Pure Reason: A Critical Guide (Cambridge Critical Guides, pp. 243-258).